21a, Arkwright Road, Camden, London, NW3 6AA

21a is a mid-terrace house in Camden, London, London (NW3 6AA). It has a recorded floor area of 138 m² (around 1485 sq ft), construction records dating it to 1900-1929 and council tax band G. At 138 m² this is the 28th smallest of 38 units on EPC record in the building, where floor areas span 21–286 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (February 2021) shows a C (score 71). The rating has held steady at C across 5 certificates since February 2011. Between certificates, window efficiency went from Average to Good; while wall efficiency dropped from Good to Very Poor. The recommended improvements would push it to B (score 81).

Today's modelled estimate of £2,206,000 is 33.2% below the 2021 sale of £3,300,000, running counter to the wider postcode trend, which makes the EPC and condition history especially worth a look. On a £-per-square-foot basis, the last sale (£2,222/sq ft) was about 139.2% above the typical sold price in the postcode. At 138 m² the property is well over the postcode median (79 m² across 56 EPCs), placing it in the larger end of the local stock. Sold April 2021 for £3,300,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.